<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>开机动画</title>
		<style type="text/css">
			.con {
				margin-left: 100px;
				margin-top: 100px;
				width: 100px;
				height: 100px;
			}
			.con>div {
				width: 20px;
				height: 20px;
				display: inline-block;
				display: none;
				border-radius: 2rem;
				background-color: #ADFF2F;
			}
		</style>
	</head>
	<body>
		<div class="con">
			<div></div>
			<div></div>
			<div></div>
			<div></div>
			<div></div>
		</div>
	</body>
</html>
